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Finding the Fourth Proportional to 168,563.87, 232,401.07 and 120,220.92

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Solution

The fourth proportional to 168,563.87, 232,401.07 and 120,220.92 is: 165,750.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,563.87 : 232,401.07 = 120,220.92 : x
  2. Step 2: Convert to fraction form
    168,563.87/232,401.07 = 120,220.92/x
  3. Step 3: Cross multiply
    168,563.87x = 232,401.07 × 120,220.92
  4. Step 4: Simplify right side
    168,563.87x = 27,939,470,444.38
  5. Step 5: Solve for x
    x = 27,939,470,444.38/168,563.87
  6. Step 6: Final answer
    x = 165,750.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.